D-Link DGS-1520-28MP Product Manual 1 - Page 9
Front Panel LED Indicators, Port Type, Port Number, Description, Color, Status
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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Hardware Installation Guide Port Type RJ45 Ports (1/10 Gbps) SFP+ Ports (1/10 Gbps) Port Number Ports 49 to 50 Ports 51 to 52 Description This switch is equipped with 2 RJ45 Ethernet ports that can operate at 1 Gbps and 10 Gbps wire-speeds. This switch is equipped with 2 SFP/SFP+ ports that can operate at 1 Gbps and 10 Gbps wire-speeds and support a wide collection of SFP/SFP+ transceivers. CAUTION: This equipment is to be connected only to PoE networks without routing to the outside plant. Front Panel LED Indicators The LED indicators provide valuable information in a variety of ways like their color, blinking times, and location. Figure 2-5 DGS-1520-28 Front Panel LED Indicators Figure 2-6 DGS-1520-28MP Front Panel LED Indicators Figure 2-7 DGS-1520-52 Front Panel LED Indicators Figure 2-8 DGS-1520-52MP Front Panel LED Indicators The front panel LED indicators (per device) are described in the following table: LED Color Status Description Power Green On (Solid) Power on On (Blinking) Performing system self-test 4